Examine source code of minexmr.com stats

{
  "manifest_version": 2,
  "name": "minexmr.com stats",
  "version": "1.2.3resigned1",
  "homepage_url": "https://github.com/chaueq/minexmr_stats",
  "applications": {
    "gecko": {
      "id": "minexmr_stats@chaueq"
    }
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "48": "icons/48.png",
    "96": "icons/96.png"
  },
  "browser_action": {
    "default_icon": "icons/48.png",
    "default_title": "minexmr.com statistics",
    "default_popup": "stats.html"
  },
  "options_ui": {
    "page": "settings.html"
  }
}